The answer is A. You can comment if u want an explanation :)
10 more times
On Monday the rover needed to charge 22 times and on Tuesday 12 times.
So the answer is 22-12=10
Answer: This is a guess I am not that smart
c. Both have been impacted by overgrazing and radioactive pollution.
49 is a square of 7 and 4 is a square of 2. To get 45 you need to subtract 7² and 2². Therefore, its the difference of squares.